package life.zhiyuan.community.community.controller;

import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

/**
 * Created by zhuzhiwen by 2020/10/16 20:43
 */
@Controller
@RequestMapping("${server.error.path:${error.path:/error}}")
public class CustomizeErrorController implements ErrorController {

    @Override
    public String getErrorPath() {
        return "error";
    }
    @RequestMapping(produces = MediaType.TEXT_HTML_VALUE)
    public ModelAndView errorHtml(HttpServletRequest request, Model model){
        HttpStatus status=getStatus(request);

        if (status.is4xxClientError()){
            model.addAttribute("message","您这个请求有错，要不然换个姿势(￢‸￢) ?");
        }
        if (status.is5xxServerError()){
            model.addAttribute("message","服务器冒烟了，请稍后再次尝试w(ﾟДﾟ)w");
        }
        return new ModelAndView("error");
    }

    private HttpStatus getStatus(HttpServletRequest request) {
        Integer statusCode= (Integer) request.getAttribute("javax.servlet.error.status_code");
        if (statusCode==null){
            return HttpStatus.INTERNAL_SERVER_ERROR;
        }
        try {
            return HttpStatus.valueOf(statusCode);
        }catch (Exception ex){
            return HttpStatus.INTERNAL_SERVER_ERROR;
        }
    }
}
